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Bosch 1375A 4-1/2-Inch Angle Grinder

by Bosch
38 customer reviews
| 7 answered questions

List Price: $148.00
Price: $47.99 & FREE Shipping. Details
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  • Angle grinder with 4-1/2-inch wheel diameter
  • Lock-on/off switch for extended use applications; 6 amps, 11,000 RPM
  • Epoxy-coated field winding; sealed switch
  • Includes guard, auxiliary handle, flange kit, spanner wrench, abrasive wheel
  • 10-1/2 inches long; 3.75 pounds; 1-year warranty
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33 new from $47.99 1 used from $41.75 1 refurbished from $51.99

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$47.99 & FREE Shipping. Details In Stock. Ships from and sold by Gift-wrap available.

Frequently Bought Together

  • Bosch 1375A 4-1/2-Inch Angle Grinder
  • +
  • Bosch DB4542 Premium Plus 4-1/2-Inch Dry Cutting Turbo Continuous Rim Diamond Saw Blade with 7/8-Inch Arbor for Masonry
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  • DEWALT DW4523 4-1/2-Inch by 1/4-Inch by 5/8-Inch General Purpose Metal Grinding Wheel
Total price: $69.27
Buy the selected items together

Special Offers and Product Promotions

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  • Save $25.00 when you spend $100.00 or more on Bosch Holiday Promo Qualifying Products offered by Here's how (restrictions apply)
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Technical Details

Color: NA
  • heavy-duty

Product Description

Color: NA

From the Manufacturer

The Bosch 1375A is a multipurpose tool designed to grind, sand, brush, sharpen, and deburr. This grinder offers a 5/8-inch 11-spindle thread for attaching the most popular accessories. The slim housing grip is designed for easy handling, and the two-position side handle is angled for comfort. The dust-resistant switch and the protected motor deliver longer service life. Save time with the spindle lock for quick wheel changes. Includes guard, side handle, flange kit, wrench, and wheel.


  • 6 amps, 11,000 rpm
  • Lock-on/off switch for extended use applications
  • Sealed switch keeps debris out of the switch mechanism and extends switch life
  • ServiceMinder brushes eliminate guesswork, stopping the tool when preventive maintenance is required
  • Epoxy-coated field windings provide ultimate protection against abrasive dust and metal debris
  • 5/8-inch-11 spindle offers wide flexibility for mounting most popular accessories
  • Spindle lock for quick wheel changes
  • 2-position auxiliary handle is specifically designed and angled to a "natural" position for maximum comfort and control
  • Double-insulated, UL-listed, complies to OSHA


  • Rating: 120 volts AC
  • Amps: 6 amps
  • Max motor horsepower: 1 hp
  • No-load speed: 11,000 rpm
  • Wheel diameter: 4-1/2 inches
  • Cutoff disc: 4-1/2 inches
  • Dry diamond wheel: 4-1/2 inches
  • Sanding discs: 4-1/2 inches
  • Wire cup brush: 3 inches
  • Wire wheel: 4 inches
  • Spindle thread: 5/8-inch-11
  • Length: 10-1/2 inches
  • Weight: 3-3/4 lbs.


  • Guard
  • Auxiliary handle
  • Flange kit
  • Spanner wrench
  • Abrasive wheel

This Bosch power tool comes with a one-year limited warranty from the date of purchase.

Product Information

Color: NA
Technical Details
Part Number GWS 6-115
Product Dimensions14.4 x 5 x 4.9 inches
California residentsClick here for Proposition 65 warning
Item model number1375A
Power Sourceelectric-powered
Voltage127 volts
Wattage680 watts
Item Package Quantity1
Special Featuresheavy-duty
Included Componentsbare-tool; battery-charger
Batteries Included?No
Batteries Required?No
Warranty DescriptionManufacturer
Technical Specification
Additional Information
Best Sellers Rank #71,851 in Home Improvement (See top 100)
Shipping Weight5.2 pounds (View shipping rates and policies)
Domestic Shipping Item can be shipped within U.S.
International Shipping This item can be shipped to select countries outside of the U.S. Learn More
Date First AvailableMay 15, 2000
Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.
Warranty, Parts: Parts

Customer Reviews

Most Helpful Customer Reviews

34 of 35 people found the following review helpful By N. Perrotta on May 15, 2007
Color: NA Verified Purchase
If you are a do-it-yourselfer, an angle grinder is a must-have tool and this one is so far of great quality and very reasonably priced. It fits very well in my hand and is quieter than some of the other ones I've used (but I still recommend protecting your hearing). It's one of those tools that you have no idea how useful it is until you use one for a job. You'll find yourself looking at a problem and then think, "hmmm...i wonder if my angle grinder would work on this", and sure enough it is the right tool for the job. There are a lot of useful attachments that you can get for an angle grinder because it doesn't only 'grind', and don't think that your electric drill with the same attachments can handle the job because it can't. You can use it to cut or grind metal, pipe, concrete, bricks, block, score up painted surfaces, remove rust, cut off/grind down nail heads, cutting/removing through old tile mastic on a floor, etc. For me two really useful attachments has been the inexpensive concrete diamond blade, and the DeWalt 3" knotted wire cup brush. The brush is really heavy duty and I have used it many times. I don't know why I never bought an angle grinder sooner. Before I owned a grinder, I needed to cut a trench in my home's concrete slab, so I rented this huge, wet, gas-powered diamond saw. Not only was the rental expensive, but it took a long time, made a huge mess, I still needed to break it out with a sledgehammer and it really didn't do that great a job. So when I had to start my next slab-cutting project, I used this little angle grinder with the diamond blade to score deep cuts in the slab and between that, and my percussion hammer, it was really a breeze, comparatively and took much less time. I would recommend wearing a dust mask for some jobs and always using a good set of hearing muffs to protect one's ears as well (don't just use cheap earplugs).
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28 of 30 people found the following review helpful By J. Carlson on May 5, 2001
Color: NA
Just spent the afternoon grinding rust off the truck. Using the Bosch angle grinder made the job a joy. Light, compact, powerful. Easy to use in all positions and in hard to reach areas. From now on my 2 Milwaukee body grinders will go on sale. They are too clumsy and heavy AND DANGEROUS. With the Bosch sparks are controlled by a shield. Just the right size to grab by the body one-handed or by using the extra handle 2 hands can be used. I heard about German engineering but this is the first time that I enjoyed it. A GREAT TOOL.
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14 of 16 people found the following review helpful By R. McMahon on August 24, 2006
Color: NA Verified Purchase
I bought one of these before taking on a tile project to help with those cuts I could not make on my wet saw. I decided on the Bosch over a DeWalt after reading the reviews. This little grinder is one of the best tools I have ever bought. It comes in handy all the time and cuts/grinds anything. I bought a DeWalt masonary blade and it devours brick, tile, stone, concrete you name it and it can cut it.

My only complaint is that its size (only 4.5") can make deep cuts a bit of a challenge due to the saftey guard but I have been able to work around it.

A must have.
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10 of 11 people found the following review helpful By J. Keelan on November 23, 2005
Color: NA
I own 2 of these and have many, many hours on them. They have given me outstanding service. I know for a fact that I have at least 100 hours of operation on the first one and still haven't had to replace the brushes. I use them for cutting, grinding, sanding steel, and cutting concrete.
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32 of 41 people found the following review helpful By mittcraft on June 12, 2008
Color: NA
I am not a fan of the switch or the bulky grip of this tool. I have a dewalt grinder that I have had for 12 years and I prefer that grip. I had a nasty accident with a grinder once when I was just learning. I was not using a paddle switch and the thing kicked back right out of my hands and got wound up in my clothing and kept biting into my leg. I had to pull 50 ft of extention cord out of the wall before it would stop biting. If I were using a paddle switch the motor would have shut off when I lost the grip.
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17 of 22 people found the following review helpful By Lee Wik on June 3, 2009
Color: NA Verified Purchase
I've been in the trades longer than I care to admit. long enough to know which tools are worth buying. While I respect my tools, I don't have time to baby them. They have to be able to stand up to the abusive environment that is inherent with field work. The Bosch grinder is one of those tools. My first one lasted about 8-10 years as did the second (which just gave out today). In fact, I'm still using the metal case the first one came in. longevity can be summed up in two words - compressed air. These things swallow a ton of dust and need to be blown out every day. Do that and you've got yourself a hell of a tool. However, I don't buy into the notion that you need a paddle swich to be safe - you just need to know your tool and what it's capable of. And yes, I'm buying another Bosch tonight - it's really the only choice.
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14 of 18 people found the following review helpful By Peter ff on January 28, 2012
Color: NA Verified Purchase
Take caution when purchasing this grinder. It may be a perfectly good tool in its most basic form, but accessories that expand its range of uses are not in fact available, even though Bosch advertises them in its brochures.

Specifically, and to my mind important for safety, the manual supplied for this grinder describes accessories for cutting tools (13CG-45) a cutting guard, and (13DC-45) a dust collection attachment. These options are not available anywhere. Bosch themselves cannot provide pricing or availability detail for either of these part numbers as of January 2012. I have since confirmed with Bosch that they will not produce any of the accessories.

So, if you are looking for something that goes beyond what comes in the box, i.e. anything more than grinding functions I would recommend choosing a different model such as the Bosch 18XX family of grinders, or even a different brand. I'm rather unimpressed with Bosch for being so misleading in the way this product is promoted. Also, don't bother writing a review on the Bosch site, they don't post negative reviews. Perhaps you might want to consider another vendor, I'm getting very unimpressed now that I'm also having problems with my 1274 DVS belt sander. This is probably my last Bosch tool.
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